A dead battery after a couple of weeks could be due to a faulty battery or parasitic draw. Undercarriage washes help remove salt and sand, while spray wax is minimally effective and can smudge glass.
Gadget Review on MSN
$400 Battery Replacements? Blame Your Car's ‘Always-On' Connection
Car Bluetooth systems drain batteries even when vehicles are off, costing $200-400 in replacements plus potential towing fees ...
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